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jadi, sisi depan sudut = 10 dan sisi samping sudut = 26. [bikin segitiganya]
miring = akar(depan^2 + samping^2)
= akar(10^2 + 26^2)
= 24
jadi,
sin A = depan/miring
= 10/24
cos A = samping/miring
= 26/24